tberg8634
tberg8634
17-09-2017
Mathematics
contestada
how can 400x20 help solve 399x20
Respuesta :
kphung76127
kphung76127
17-09-2017
What you can do is multiply 400*20= 8,000. From here, we know that 399*20 is just one less group of 20 than 400. Therefore, we can subtract (1*20) from 8,000 to get the final answer.
8000-20=7980
Hope this helps!
Answer Link
Alexals342
Alexals342
17-09-2017
Just subtract 20 from the answer of 400x20. One number less.
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
definition of robbery
which of the following are roles the president carries out under the constitution and tradition?
which if the following is a conservative viewpoint
Which of these concepts represents the most encompassing aspect of our lives? a. physical health b. physical fitness c. wellness d. emotional health
Angela has 2 walking sticks one is 3 and 4/5 feet long the other is 3 and1/2 feet long how much does she need to cut off to make them the same length
Collar cells in the sponge digest food by _____ or by the enzymes of _____.
Which of the following is an accurate statement about Justinian I? A. He was born to noble parents B. He succeeded in conquering Gaul C. He supported the buildi
Mes camarades de classe posent (ask) des questions (blank) professeurs
discuss the supremacy of the constitution
How many days will it take for one half of the original amount of a radioactive substance to decay if the half-life is 30 days? a. 3 days b. 15 days c. 30 da
